std::unique_ptr<Exploration> explo;
-#if SIMGRID_HAVE_MC
+#if SIMGRID_HAVE_STATEFUL_MC
if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
explo = std::unique_ptr<Exploration>(create_communication_determinism_checker(argv_copy, cfg_use_DPOR()));
else if (_sg_mc_unfolding_checker)